- Municipal/Public-Private Partnerships
- City of Alexandria
- City of Atlanta
- City of Chattanooga
- City of Louisville
- City of Philadelphia
- University City District
- Southeastern Pennsylvania Transportation Authority (SEPTA)
- Regional Industrial Development Corporation (Pittsburgh, PA)
- Delaware River Waterfront Corporation
- Central Park Conservancy
- Chattanooga Airport Authority
- East Falls Development Corporation
- Fairmont Park Conservancy
- Manayunk Development Corporation
- Pittsburgh Park Conservancy
- Stapleton Development Corporation
- Arboreta, Gardens, Parks, and Environmental Centers
- Alice Ferguson Foundation
- Avalon Nature Preserve
- Boy Scouts of America
- Crosby Arboretum
- Cusano Environmental Center
- Duke Farms
- Gettysburg National Battlefield Park
- Grey Towers
- Loantaka Brook Reservation
- Morris Arboretum
- New England Wildflower Society
- New York Botanical Garden
- Phipps Conservancy and Botanical Gardens
- Stroud Water Research Center
- United States Botanical Garden
- Universities and Colleges
- Bryn Mawr College
- Cambridge School of Weston
- Carnegie Mellon University
- Chatham University
- Chestnut Hill College
- Clemson University
- Cornell University
- Dickinson College
- Drexel University
- Duke University
- Georgia Tech
- Indiana University of Pennsylvania
- Middlebury College
- National Defense University
- NC State University
- Oberlin College
- Penn State University
- Princeton Theological Seminary
- Purdue University
- Richard Stockton College
- Rider University
- Rowan University
- Shantou University
- SUNY Buffalo
- SUNY ESF
- SUNY Purchase
- SUNY Stonybrook
- Temple University
- Thomas Jefferson University
- Trinity College
- Tufts University
- University of the Arts
- University of North Carolina
- University of Mississippi
- University of Pennsylvania
- University of the Sciences
- University of Toronto
- University of Vermont
- J Craig Venter Institute
- Virginia Commonwealth University
- Virginia Tech
- Washington University in St Louis
- Wellesley College
- Yale University
- K-12 Schools
- Central High School (Philadelphia)
- Choate Rosemary Hall
- Princeton Day School
- International School Riyadh, Saudi Arabia
- Ross School
- Seoul Foreign School, South Korea
- Sidwell Friends School
- Thaden School
- United States Military Academy Preparatory School
- Westminster School
- Cultural Institutions
- Edelman Fossil Park
- Fallingwater
- Franklin Institute
- Manitoga
- Richardson Olmsted Complex
- Storm King Art Center
- University City Science Center
- Washington National Cathedral
- Woodend Nature Sanctuary
- Woodmere Art Museum
- Yaddo
- Federal Government
- Architect of the Capital
- Bureau of Overseas Buildings
- General Services Administration
- Environmental Protection Agency
- Healthcare and Corporate
- Incyte
- Sanofi Pasteur
- Merck
- St. Joseph’s Healthcare – Hamilton
- Thomas Jefferson University Hospital
- UPMC
- Washington University Medical Center
